How to insert tabs before output lines from a executed command
Alex Ng
Just a quick question. Is it possible to tab the output on Ubuntu 16.04 LTS? I've created two images below to try and illustrate what I mean by this.
steeldriver
You could do something like this - with file descriptors:
save the current output descriptor so we can restore it later
exec 3>&1redirect the output stream to a process substitution that inserts the tab - for example
exec 1> >(paste /dev/null -)
From this point, any process that writes to standard output will have that output 'filtered' through the paste command to insert tabs at the start.
When you're done, you can resume normal behavior by restoring the saved file descriptor and closing the temporary one
exec 1>&3 3>&-
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